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                            <b>1.4.</b>
                        
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                            <b>1.4.1.</b>
                        
                        无序列表
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                        无序列表2
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                        有序列表
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                            <b>1.5.</b>
                        
                        实体字符
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                            <b>1.6.</b>
                        
                        iframe标签
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                            <b>1.7.</b>
                        
                        form表单
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                            <b>1.8.</b>
                        
                        拓展
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                        CSS
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                            <b>2.1.</b>
                        
                        元素选择器
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                        id和class选择器
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                        关系选择器
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                            <b>2.4.</b>
                        
                        伪类选择器
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                            <b>2.5.</b>
                        
                        属性选择器
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                            <b>2.6.</b>
                        
                        伪对象选择器
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                            <b>2.7.</b>
                        
                        字体
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                            <b>2.8.</b>
                        
                        元素颜色
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                            <b>2.9.</b>
                        
                        文本阴影
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        <li class="chapter " data-level="2.9.1" data-path="md/css/textdecoration.html">
            
                
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                            <b>2.9.1.</b>
                        
                        文本的线
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            <span><b>2.9.2.</b> 文本垂直对齐</span>
            
            
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                            <b>2.10.</b>
                        
                        盒子
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                            <b>2.10.1.</b>
                        
                        行内元素和块级元素
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                            <b>2.10.2.</b>
                        
                        浮动
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                        弹性盒子
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                        定位
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                        练习
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                            <b>4.</b>
                        
                        Sass使用
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                            <b>5.</b>
                        
                        Gulp
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                            <b>6.1.</b>
                        
                        Date对象
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                        理解对象
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                        事件
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                        AJAX
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                        <h1 id="&#x989C;&#x8272;&#x6837;&#x5F0F;">&#x989C;&#x8272;&#x6837;&#x5F0F;</h1>
<p><strong>&#x5F97;&#xFF1A;&#x6539;&#x53D8;&#x6240;&#x9009;&#x5143;&#x7D20;&#x7684;&#x989C;&#x8272;&#xFF0C;&#x628A;&#x81EA;&#x5DF1;&#x559C;&#x6B22;&#x7684;&#x989C;&#x8272;&#x52A0;&#x4E0A;&#x53BB;</strong></p>
<p>&#x4EE3;&#x7801;&#x793A;&#x4F8B;&#xFF1A;</p>
<pre><code class="lang-html"><span class="hljs-tag">&lt;<span class="hljs-title">html</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-title">head</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">meta</span> <span class="hljs-attribute">charset</span>=<span class="hljs-value">&quot;UTF-8&quot;</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">title</span>&gt;</span><span class="hljs-tag">&lt;/<span class="hljs-title">title</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">style</span> <span class="hljs-attribute">type</span>=<span class="hljs-value">&quot;text/css&quot;</span>&gt;</span><span class="css">
            <span class="hljs-class">.dd</span><span class="hljs-rules">{
                <span class="hljs-rule"><span class="hljs-attribute">height</span>:<span class="hljs-value"> <span class="hljs-number">300px</span></span></span>;
                <span class="hljs-rule"><span class="hljs-attribute">background-color</span>:<span class="hljs-value"> skyblue</span></span>;
                <span class="hljs-rule"><span class="hljs-attribute">background-color</span>:<span class="hljs-value"> <span class="hljs-hexcolor">#87CEEB</span></span></span>;
                <span class="hljs-rule"><span class="hljs-attribute">background-color</span>:<span class="hljs-value"><span class="hljs-function">rgba</span>(<span class="hljs-number">0</span>,<span class="hljs-number">0</span>,<span class="hljs-number">255</span>,.<span class="hljs-number">5</span>)</span></span>;  <span class="hljs-comment">/*&#x900F;&#x660E;&#x84DD;*/</span>
                <span class="hljs-rule"><span class="hljs-attribute">background-color</span>:<span class="hljs-value"> <span class="hljs-function">hsla</span>(<span class="hljs-number">0</span>,<span class="hljs-number">50</span>,<span class="hljs-number">50</span>,<span class="hljs-number">1</span>)</span></span>;
            }</span>
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    <span class="hljs-tag">&lt;/<span class="hljs-title">head</span>&gt;</span>
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        <span class="hljs-tag">&lt;<span class="hljs-title">div</span> <span class="hljs-attribute">class</span>=<span class="hljs-value">&quot;dd&quot;</span>&gt;</span>
            &#x8FD8;&#x662F;&#x6715;
        <span class="hljs-tag">&lt;/<span class="hljs-title">div</span>&gt;</span>
    <span class="hljs-tag">&lt;/<span class="hljs-title">body</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-title">html</span>&gt;</span>
</code></pre>
<p>&#x989C;&#x8272;&#x53D6;&#x503C;
1.&#x5355;&#x8BCD;&#xFF0C;&#x5BB9;&#x6613;&#x8BB0;&#x5FC6;&#xFF0C;&#x4F46;&#x989C;&#x8272;&#x7CBE;&#x51C6;&#x6027;&#x8F83;&#x5F31;
2.16&#x8FDB;&#x5236;&#x6A21;&#x5F0F;&#xFF0C;&#x53EF;&#x4EE5;&#x66F4;&#x7CBE;&#x51C6;&#x7684;&#x9009;&#x62E9;&#x989C;&#x8272;&#xFF0C;&#x901A;&#x8FC7;&#x4E00;&#x4E9B;&#x5904;&#x7406;&#x56FE;&#x7247;&#x7684;&#x8F6F;&#x4EF6;&#x6765;&#x5438;&#x53D6;&#x9700;&#x6C42;&#x7684;&#x989C;&#x8272;&#x3002;
3.rgba&#x6A21;&#x5F0F;&#xFF0C;RGB+Alpha(RGB&#x7684;&#x53D6;&#x503C;&#x8303;&#x56F4;&#x4E3A;0-255&#xFF0C;A&#x53D6;&#x503C;&#x8303;&#x56F4;&#x4E3A;0-1)
4.hsla&#x6A21;&#x5F0F;&#xFF0C;H&#xFF1A;&#x989C;&#x8272;&#xFF08;0-360&#xFF09;&#xFF0C;S&#xFF1A;&#x7070;&#x5EA6;&#xFF08;0.0%-100.0%&#xFF09;&#xFF0C;L&#xFF1A;&#x4EAE;&#x5EA6;&#xFF08;0.0%-100.0%&#xFF09;&#xFF0C;A&#xFF1A;&#x900F;&#x660E;&#x5EA6;&#xFF08;0.0-1&#xFF09;</p>
<p>&#x5BF9;&#x5E94;&#x4EE3;&#x7801;&#x793A;&#x4F8B;&#xFF1A;
```css
1.background-color: skyblue;
2.background-color: #87CEEB;
3.background-color:rgba(0,0,255,.5);
4.background-color: hsla(0,50,50,1);</p>

                    
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<script>
require(["gitbook"], function(gitbook) {
    var config = {"expandable-chapters":{},"redirect":{},"splitter":{},"highlight":{},"search":{"maxIndexSize":1000000},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"fontsettings":{"theme":"white","family":"sans","size":2},"livereload":{}};
    gitbook.start(config);
});
</script>

        
    </body>
    
</html>
